/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Polygroups/PolygroupUtil.h
Compute the upper bound of the group IDs for the given layer (one greater than the highest group ID)
namespace UE { namespace Geometry { int32 UE::Geometry::ComputeGroupIDBound ( const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & Mesh, const [FDynamicMeshPolygroupAttribute](API\Runtime\GeometryCore\DynamicMesh\FDynamicMeshPolygroupAttribute) * Layer ) } }